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MC33023DWG Scheda tecnica(PDF) 4 Page - ON Semiconductor |
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MC33023DWG Scheda tecnica(HTML) 4 Page - ON Semiconductor |
4 / 18 page MC34023, MC33023 http://onsemi.com 4 ELECTRICAL CHARACTERISTICS (VCC = 15 V, RT = 3.65 kW, CT = 1.0 nF, for typical values TA = + 25°C, for min/max values TA is the operating ambient temperature range that applies [Note 3], unless otherwise noted.) Characteristic Symbol Min Typ Max Unit CURRENT SENSE SECTION Input Bias Current (Pin 9(12) = 0 V to 4.0 V) IIB − − 15 mA Current Limit Comparator Input Offset Voltage (Pin 11(14) = 1.1 V) VIO − − 45 mV Current Limit Reference Input Common Mode Range (Pin 11(14)) TJ =+ 25°C VCMR 1.0 − 3.0 V Shutdown Comparator Threshold Vth 1.25 1.40 1.55 V Propagation Delay (Current Limit/Shutdown to Output, TJ =+ 25°C) tPLH(in/out) − 50 80 ns OUTPUT SECTION Output Voltage Low State (ISink = 20 mA) (ISink = 200 mA) High State (ISource = 20 mA) (ISource = 200 mA) VOL VOH − − 13 12 0.25 1.2 13.5 13 0.4 2.2 − − V Output Voltage with UVLO Activated (VCC = 6.0 V, ISink = 0.5 mA) VOL(UVLO) − 0.25 1.0 V Output Leakage Current (VC = 20 V) IL − 100 500 mA Output Voltage Rise Time (CL = 1.0 nF, TJ = + 25°C) tr − 30 60 ns Output Voltage Fall Time (CL = 1.0 nF, TJ = + 25°C) tf − 30 60 ns UNDERVOLTAGE LOCKOUT SECTION Startup Threshold (VCC Increasing) Vth(on) 8.8 9.2 9.6 V UVLO Hysteresis Voltage (VCC Decreasing After Turn−On) VH 0.4 0.8 1.2 V TOTAL DEVICE Power Supply Current Startup (VCC = 8.0 V) Operating ICC − − 0.5 20 1.2 30 mA 3. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible. Tlow =0°C for MC34023 Thigh = +70°C for MC34023 =−40 °C for MC33023 = +105 °C for MC33023 |
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